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ISHS Acta Horticulturae 607: IX International Symposium on Timing of Field Production in Vegetable Crops

EFFICIENCY OF A SOIL CONDITIONER ON STRAWBERRY

Authors:   K. Minami, S.C.S. Bueno, S.F. Blat, F.L. Cuquel
Keywords:   Fragaria, soil-amendment, growing-media, hydrogel, hydrophilic polymers
Abstract:
A field experiment was performed to evaluate the effectiveness of Hidroplan® (hydrogel), a commercial soil conditioner, on strawberry (Fragaria x ananassa D.), cultivar `Campinas’ (IAC-2712). This trial was conducted in the Escola Superior de Agricultura “Luiz de Queiroz”/ University of São Paulo, Campus of Piracicaba, located in Piracicaba, São Paulo, Brazil from March to May 2000. Hidroplan® was evaluated in different concentrations, textures, and types of application. Treatments were fine powder texture (1 or 2g/plantlet applied in the soil at the transplant), medium powder texture (1 or 2 g/plantlet applied in the soil at the transplant), granulated product (1 or 2 g/plantlet applied in the soil at the transplant), immersion of plantlets roots before transplant in a solution containing 5g of Hidroplan® per liter, and transplant without Hidroplan®, as a control. The experiment design was a randomized block design with 4 replications, and 12 plantlets per plot. Plantlets field survival, branches biomass, and roots biomass was evaluated 60 days after transplant, and means were compared by Dunnett’s Test. Under the conditions of this study, in a loamy soil, with puddle tendency, and with sufficient moisture provided by irrigation, strawberry did not respond positively to Hidroplan® soil conditioner. The results obtained were attributed to excessive moisture around the root system due to the hydrogel.
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